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View Full Version : Adult image detection



dajohnson1s
09-09-2008, 05:44 AM
Hello,

I am planning a proposal to my University regarding a classified ad system. Basically I would like to make a scaled down version of Craigslist or something of that nature for the campus population.

My current experience with a planning process is minimal to say the least. I would greatly appreciate some insights that could be potentially devastating. (I have breifly discussed my idea with one of the web admins at the University and he was 'excited' about the idea)

Currently I know that money/form of payment cannot be exchanged via the University network.

Also there are certain things that I personally am concerned about, simply due to it being "open to the public". Things like posting of Pornography, gun sales, explosive sales...ect...

I would like to provide the option to add an image to the ad, but is there a way to determine if the image is of the "adult" nature without actually manually looking?

Thanks

Fou-Lu
09-09-2008, 07:33 AM
Not unless metadata about it has been added. Best I know there is no legislation that forces adult images to identify them, but I could be wrong.
Visual inspection really is you're only option.

Nightfire
09-09-2008, 02:59 PM
There's a php class that can sort of do it

http://www.phpclasses.org/browse/package/3269.html

But it's not very reliable. Close up pics of faces, or whatever will also be denied as it caculates the amount of 'skintone' used in the image.

oracleguy
09-09-2008, 04:17 PM
Basically your best bet it is add a "report post" link on each post that emails the people who can remove ads. We have a similar feature on this forum which aids the moderators in catching offending content. And then just have your moderators browse through the new posts once a day or something.

tosbourn
09-09-2008, 04:30 PM
I am assuming it is only for university students? Make them use their student number, or make it have to tie in to a university email account (the email account would be better, because then if you register as someone else, you wouldn't be able to verify yourself fraudulently without knowing the other persons password)

If people know that offensive images can be tracked straight back to them, they aren't likely to post anything bad.

oracleguy
09-09-2008, 06:14 PM
I am assuming it is only for university students? Make them use their student number, or make it have to tie in to a university email account (the email account would be better, because then if you register as someone else, you wouldn't be able to verify yourself fraudulently without knowing the other persons password)

If people know that offensive images can be tracked straight back to them, they aren't likely to post anything bad.
An excellent idea.

dajohnson1s
09-12-2008, 11:38 PM
thanks for all the ideas.

as for now, one of my professors suggested to leave out image uploads...until after the idea is accepted.

Thanks again.

Fou-Lu
09-13-2008, 03:45 AM
There's a php class that can sort of do it

http://www.phpclasses.org/browse/package/3269.html

But it's not very reliable. Close up pics of faces, or whatever will also be denied as it caculates the amount of 'skintone' used in the image.

Very nice. Someone must be very good with graphics to perform the calculations for that.


An excellent idea.

Agreed.
This is why I force people to sign up (or in you're case, I'd probably sign them up for them). Easier to control this way.

07x.net
09-14-2008, 02:12 AM
Very nice. Someone must be very good with graphics to perform the calculations for that.

I think it just looks for a large amount of coloring that matches that of bare flesh. Simple, really, but probably not very effective - many false positives, I would imagine.



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